My sister has a 1995 civic that is giving her fits on overheating..At first the water pump was leaking so she got it and a new timing belt installed plus a new thermo and a new cap,but it is now overheating again..She says it wasspewing outta her overflow tank and that her fan was on earlier today..What to do?..Thanks in advance for any help..Rodney

 

something is clogging her colant system what you need to do is darin the coolant and run stright water (hose preferablly) through the system to see if it is circulating properly. If it goes through her whole system then im stumped.

 

The car would run normal at the begining and when it at operating tempture, it start to bubling out of the reservoir but the temp gauge isnot indicating overheating.Let me know if this is the symtom.

 

i had a 92 do the same thing over heat after about 100 milea nd it was spilling out the overflow...it eneded up being the head gasket..it had just a small knicj forming,check on that

 

what i would do is with the car overheating or close to it put your hand around the lower radiator hose. If its still cold your thermostat isnt opening, a brand new thermostat can be a bad one its happed to me a couple times.

Is there any coolant in her oil? The head gasket could be lifting and pushing pressure into the coolant system

 

try opening the the rad cap (cold of course) then run it 4 a while . have someone rev the motor ,if the coolant spills over when u rev it it means u have a head gasket leak, pretty sure it does anyway . someone can correct me if im wrong.

 

it will rise some when you rev it, becasue the pump is pushing more, but what you shouldnt see is air bubbles or oil, that would point to HG problems.

my advice is if there insnt any indications that there are HG problems, just flush the whole system, there may bee enough crud in there to affect cooling, expecially the radiator, with all the small passages.